Where Do Viruses Come From?

What would happen if our Moon suddenly disappeared? Would we still have tides? It turns out that the Moon has a much bigger influence on Earth than you might think. Without the Moon, life as we know i...

4 Touko 201816min

For Earth Day, we’re discovering how the tiny, adorable pika is helping scientists study climate change! Temperatures in their mountain habitat are getting warmer, and rain and snow isn’t as predictab...

20 Huhti 201814min

What happens when a Brownie Troop goes to a weather balloon launch? One Brownie guesses that they’ll make contact with unicorns in the sky. Atmospheric scientist Gary Morris shows us what it takes to ...

6 Huhti 201812min

This is #2 in a series on dinosaur coprolites, AKA fossilized feces! In the 1800’s, Mary Anning was known as the best fossil hunter in England. She made many great discoveries, including dinosaur poop...

23 Maalis 201815min

Call it fossil feces, dinosaur dung, or preserved poo. This is the first of a two part series on dinosaur poop! We kick it off with the modern-day science of coprolites. Paleontologist Karen Chin shar...

9 Maalis 201815min

Return of the mailbag! The Tumble inbox is filling up with questions, and Marshall scrambles to answer them while Lindsay relaxes with a glass of lemonade. We find out why rainbows don’t fall down, wh...

23 Helmi 201812min

“How do sea stars grip onto rocks?” That’s what listener Chloe wants to know. To find out, we take a trip to an aquarium to see sea stars’ tiny tube feet in action, and call up sea star expert Chris M...

9 Helmi 201816min

“Do plants feel pain?” Jude’s question leads us to stunning discoveries about what plants feel, what they hear, and even what they talk about! Biologist Heidi Appel reveals how scientists learned abou...

26 Tammi 201814min